package com.atguigu.guilimall.gateway.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;

@Configuration  // 标注这是一个配置类
public class GulimallCorsConfiguration {

    @Bean
    public CorsWebFilter corsWebFilter(){

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

        CorsConfiguration corsConfiguration = new CorsConfiguration();

        // 1、配置跨域 （允许什么样的请求头、请求方式、请求来源进行跨域，是否允许携带cookie跨域）
        corsConfiguration.addAllowedHeader("*");
        corsConfiguration.addAllowedMethod("*");
        corsConfiguration.addAllowedOrigin("*");
        corsConfiguration.setAllowCredentials(true);   // 允许携带cookie，否则跨域请求就会丢失一些cookie信息

        source.registerCorsConfiguration("/**",corsConfiguration);

        return new CorsWebFilter(source);
    }
}
